Vulnerability Monitor

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CVE-2025-53537

LibHTP is a security-aware parser for the HTTP protocol and its related bits and pieces. In versions 0.5.50 and below, there is a traffic-induced memory leak that can starve the process of memory, leading to loss of visibility. To workaround this issue, set `suricata.yaml app-layer.protocols.http.libhtp.default-config.lzma-enabled` to false. This issue is fixed in version 0.5.51.

Published

2025-07-23T21:15:26.613

Last Modified

2025-08-05T15:48:54.677

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses
  • Type: Primary
    CWE-401
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application oisf libhtp < 0.5.51 Yes
References